fret
gnag
fashery
piggle
eat
wrack
disturbing
make someone's skin crawl
worryingly
fash
concerningly
grig
unsettle
get on someone's tits
spleen
nark
drive someone crazy
burden
gnawingly
irk
oh dear
skeeve out
distract
rub someone the wrong way
cark
disquiet
forset
preoccupy
disorder
trouble
unhinge
skeeve
discountenance
set someone's teeth on edge
load
perturb
get the wind up
knit one's brows
worrisome
worry
importune
worrying
gah
put the wind up
get up someone's ass
begruntle
fizzle
get under one's goat
inconvenience
funk
have the wind up
alarmingly
worry someone sick
consternate
harrow
hot and bothered
beworry
discomfort
fear
worryful
grate
blee
grouch
rattle
troubling
tew
concern
dismay
worrit
touch
fuss
aerated
stress
comb someone's hair the wrong way
pester
niggle
concerning
torque off
wrinch
on one's mind
repugnant
upsettingness
frost
affrontive
spook
kreistle
sweat
grind one's gears
pudder
hobble
aggravate
concerned